Effect of Arenite, Calcareous, Argillaceous, and Ferruginous Sandstone Cuttings on Filter Cake and Drilling Fluid Properties in Horizontal Wells

Table 4

Solubility for different types of sandstone cuttings.

Experiment no.	Solid description			Solvent	Solubility (%)
	Weighting material (calcite)	Cutting particles	Total solids weight (gm)
1	1 gm	0 gm	1 gm	GLDA 20 wt.% low pH () at 100°C	92.45
2	0.7 gm	0.3 gm quartz arenite	1 gm		64.60
3	0.7 gm	0.3 gm calcareous	1 gm		68.76
4	0.7 gm	0.3 gm argillaceous	1 gm		66.35
5	0.7 gm	0.3 gm ferruginous	1 gm		65.32